Portland Timbers 2018
| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Jake Gleeson | 1990-06-26 | 191 | 91 | |||
| D | Alvas Powell | 1994-07-18 | 183 | 75 | |||
| D | Andy Thoma | 1993-04-29 | 180 | ||||
| D | Anthony Manning | 1992-09-04 | 192 | 90 | |||
| D | Chris Klute | 1990-03-05 | 186 | 78 | |||
| D | Jermaine Taylor | 1985-01-14 | 178 | 82 | |||
| D | Liam Ridgewell | 1984-07-21 | 188 | 78 | 2018-12-31 | ||
| D | Nat Borchers | 1981-04-13 | 189 | 80 | |||
| D | Steven Taylor | 1986-01-23 | 186 | 91 | |||
| D | Taylor Peay | 1991-09-05 | 186 | 84 | |||
| D | Vytautas Andriuskevicius | 1990-10-08 | 188 | 80 | |||
| D | Zarek Valentin | 1991-08-06 | 180 | 70 | |||
| M | Amobi Okugo | 1991-03-13 | 183 | 80 | |||
| M | Ben Zemanski | 1988-05-12 | 180 | 68 | |||
| M | Bill Tuiloma | 1995-03-27 | 182 | 67 | |||
| M | Diego Váleri | 1986-05-01 | 178 | 75 | |||
| M | Diego Chara | 1986-04-05 | 170 | 65 | |||
| M | Jack Jewsbury | 1981-04-13 | 183 | 84 | |||
| M | Ned Grabavoy | 1983-07-01 | 170 | 70 | 2013 | ||
| M | Nick Besler | 1993-05-07 | 183 | 72 | |||
| F | Dairon Asprilla | 1992-05-25 | 178 | 74 | |||
| F | Darlington Nagbe | 1990-07-19 | 175 | 75 | |||
| F | Darren Mattocks | 1990-09-02 | 182 | 75 | |||
| F | Fanendo Adi | 1990-10-10 | 193 | 84 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 2.Sep | Liam Ridgewell (D) | Portland Timbers | Portland Timbers | Extension | |
| 2.Aug | Gbenga Arokoyo (D) | Free Agent | Portland Timbers | Confirmed | |
| 2.Aug | Steven Taylor (D) | Newcastle United | Portland Timbers | Confirmed | |
| 18.Jul | Adam Larsen Kwarasey (GK) | Portland Timbers | Rosenborg BK | Confirmed | |
| 17.May | Amobi Okugo (M) | Sporting Kansas City | Portland Timbers | Confirmed | |
| 15.Mar | Darren Mattocks (F) | Vancouver Whitecaps | Portland Timbers | Confirmed | |
| 13.Jan | Zarek Valentin (D) | FK Bodø-Glimt | Portland Timbers | Confirmed | |
| 10.Aug | Gaston Fernandez (F) | Portland Timbers | Estudiantes de la Plata | Confirmed | |
| 14.May | Fanendo Adi (F) | FC København | Portland Timbers | Confirmed | |
| 3.Dec | Michael Nanchoff (M) | Jönköpings Södra IF | Portland Timbers | Confirmed |